Pasadena took the brunt of a windstorm that lashed Southern California on Wednesday night and Thursday morning. The Fire Department received 200 calls for service in eight hours, up from its usual 30 a day, Derderian said.

About 4,000 customers remained without power Thursday afternoon, down from 6,000 in the morning.

With more high winds forecast, “This is just the calm before the storm,” she said.

[Corrected at 4 p.m.: An early version of this post incorrectly stated that 42 buildings have been red-tagged. In fact, 42 units -- 40 in one building -- have been red-tagged. A total of 200 buildings have been reported damaged in the windstorm, city officials said.]